General Information:
Chemical Formula:
(Co,Fe)AsS
Composition:
(Molecular Weight = 165.15 gm)
Iron 8.45 % Fe
Cobalt 26.76 % Co
Arsenic 45.37 % As
Sulfur 19.42 % S
Empirical Formula:
Co0.75Fe2+0.25AsS
Physical Properties:
Cleavage:
[101] Perfect, [010] Distinct
Color:
steel gray.
Density:
6.17
Diaphaniety:
Opaque
Hardness:
5 - Apatite
Luster:
Metallic
Streak:
black
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